[Keyboard] Minor Aurora Sweep fixes (#18879)

- Fixes compile error with `SWAP_HANDS_ENABLE = yes`
- Fixes OLED, RGB Matrix, and encoder when using QMK Configurator

keyboards/splitkb/aurora/sweep/rev1/rev1.c

@@ -14,6 +14,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include QMK_KEYBOARD_H
+
 #ifdef SWAP_HANDS_ENABLE
 // clang-format off
     __attribute__ ((weak)) const keypos_t PROGMEM hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {